Fix clippy warnings and Readme

pslink/src/bin/pslink/cli.rs

@@ -210,7 +210,7 @@ async fn parse_args_to_config(config: ArgMatches<'_>) -> ServerConfig {
 ///
 /// # Panics
 /// This funcion panics if preconditions like the availability of the database are not met.
-pub(crate) async fn setup() -> Result<Option<crate::ServerConfig>, ServerError> {
+pub async fn setup() -> Result<Option<crate::ServerConfig>, ServerError> {
     // load the environment .env file if available.
     dotenv().ok();